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The Greenland glacier Jakobshavn Isbrae is massive, at around 40 miles long and more than a mile thick.
Article

Up Close and Personal With the Fastest Glacier in the World

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In 2011, storms and lack of ice-cover due to a warmer winter climate resulted in hundreds of seal pups being washed up on the shore of Prince Edward Island. Like many, this young seal faced an uncertain future. See more Nature's Best Photos.
Photo

Harp Seal, Prince Edward Island National Park, Canada

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On average, Arctic sea ice has decreased by four percent per decade since the late 1970s.
Overview

Sea Level Rise

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Looking through this iceberg's reflection in the Antarctic water, you can see the iceberg below the surface—some 90% of its total volume.
Overview

The Arctic and The Antarctic

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Antarctica is almost entirely covered by ice sheets up to two miles (3 km) thick, which contain roughly 70% of the world’s freshwater.
Photo

Ross Sea Ice Shelf

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A narwhal breaches the surface, its tusk pointed to the sky
Article

Why a Tusk? The real-life unicorns of the sea and the tusks that make them famous

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Emperor penguins are the largest of the penguin species and can grow to be 100 pounds.
Photo

Emperor Penguins on the Ice

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Penguins standing on ice.
Video

Animals of the Ice

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A walrus sits on top of ice.
Article

The Cultural Icescapes of the Arctic

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The Greenland glacier Jakobshavn Isbrae is massive, at around 40 miles long and more than a mile thick.
Photo

Jakobshavn Glacier

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data of sea ice coverage in the Arctic
Article

Arctic Sea Ice: A New Low?

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the front of an ice breaker
Video

Sea Ice in its Ever-Changing Forms

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